Strójwąs, Andrzej Preżdo, Wiktor. Supervisor
Hendricks, Thomas Andrews (1907-1985) United States of America. Geological Survey.
Fisher, D. Jerome (1896-1988) United States of America. Geological Survey.
Parker, Frank Stephen (1905-1984) United States of America. Geological Survey.
Hunt, Charles Butler (1906-1997) Briggs, Guy H. Munyan, Arthur C. (1908- ) United States of America. Geological Survey.
Sears, Julian Ducker (1891-1970) United States of America. Geological Survey.
Waring, Gerald Ashley (1883-?) United States of America. Geological Survey.
Erdmann. Charles Edgar (1897-1971) United States of America. Geological Survey.
Hunt, Charles Butler (1906-1997) United States of America. Geological Survey.
Dane, Carle Hamilton (1900-1968) United States of America. Geological Survey.
Spieker, Edmund Maute (1895-1978) United States of America. Geological Survey.